@BillGates: You could find wild poliovirus in 125 countries in 1988. Today, it exists in just two. And more than 18 million people are walking today who would otherwise have been paralyzed by polio. Here’s why we aren’t done yet: https://t.co/uXZoglQS7Z https://t.co/rY2eMaDReI
http://twitter.com/BillGates
You could find wild poliovirus in 125 countries in 1988. Today, it exists in just two. And more than 18 million people are walking today who would otherwise have been paralyzed by polio. Here’s why we aren’t done yet: https://t.co/uXZoglQS7Z pic.twitter.com/rY2eMaDReI
— Bill Gates (@BillGates) November 20, 2019
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